Sarah Ferguson's documentary 'Duchess and Daughters: Their Secret Mission' caused a headache for then foreign minister, David Miliband, as a diplomatic row developed between the UK and Turkish governments

The programme angered the Turkish Government who branded it was a smear campaign designed to derail its plans to join the European Union.

Mr Miliband invited, Ali Babacan, the Turkish foreign minister to his South Shield s constituency home to try and make up for what had happened.

One of the messages from the US embassy in Ankara in November that year said: 'Duchess of York Sarah Ferguson's undercover exopse of Turkish orphanages dominated bilateral relations discussions.

Diplomatic storm: The Duchess of York during the documentary on Turkish orphanages

'Miliband underscored to Babacan that Ferguson was no longer a member
of the royal family and, as a private citizen, her activities could not
"be controlled".

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Following a press airing of the programme,
Fergie said: 'I stand by my words... I'm sorry if it caused them
(the Turkish government) any embarrassment.

She was later caught out in an undercover sting that showed her selling access to ex husband, the Duke of York, for £500,000.

It is the latest Wikileaks cable to be revealed this week after it merged that a Secret Intelligence Service official warned that radicalised British
Muslims who undertake training will become 'suicide operatives' who will
target innocent civilians.

Home-grown terrorists: Mohammad Sidique Khan, left and Shehzad Tanweer were behind the July 7 2005 London Tube bombings

British-born terrorists were behind the July 7 2005 London bombings
and the four men involved had been radicalised and received terror
training abroad.

The warning came in a briefing of U.S. congressmen who visited the UK in
2008 and was contained in a cache of American diplomatic cables
obtained by whistleblowing website WikiLeaks.

The documents also reveal American concerns that British intelligence
workers are failing to contain domestic terrororist because of budget
cuts.

The warning was revealed by the Daily Telegraph as the
independent reviewer of anti-terror laws claimed that European human
rights rulings had made the UK a 'safe haven' for suspected terrorists.

7/7 blast: The roof number 30 bus in Tavistock Square which had its roof torn off in an explosion

In his annual review of legislation, Lord Carlile of Berriew backed
the Government's attempts to deport foreign suspects with assurances
over their treatment once returned home.

According to the U.S.
embassy's record of the congressmen's visit, the MI6 official told them
that the UK was 'wholly or largely dependent' on help from the CIA and
other American sources for monitoring terrorism.

And he told them
that 'the internal threat is growing more dangerous because some
extremists are conducting non-lethal training without ever leaving the
country.

'Should these extremists then decide to become suicide
operatives, HMG (Her Majesty's Government) intelligence resources,
eavesdropping and surveillance would be hard pressed to find them on any
"radar screen".'

The document said that the officer 'described this as a "generational" problem that will not go away anytime soon'.

Home-grown terrorists were responsible for the July 7, 2005 London Tube bombings in which 52 people died.

They
included leader Mohammad Sidique Khan, 30, the Edgware Road bomber, who
was the son of Pakistani immigrants and was born in this country.

His
accomplice Shehzad Tanweer, 22, the Aldgate bomber, was born in
Bradford and visited Pakistan for terrorist training in 2004.